Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Grok 4 Fast (free)vsQwen3.7 Flash
Updated Jul 2026

Grok 4 Fast (free)vsQwen3.7 Flash

Grok 4 Fast (free) is cheaper than Qwen3.7 Flash at $0/M vs $0.03/M input tokens.

Grok 4 Fast (free) and Qwen3.7 Flash compared across 2 shared prompts
SpecGrok 4 Fast (free)Qwen3.7 Flash
Input priceFree$0.03/M tokens
Output priceFree$0.13/M tokens
Context window2.0M tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedSep 2025Jul 2026
Side by side

Same prompt, both answers

Opening lines from every prompt both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Grok 4 Fast (free)240 words
Pantry Hero Pasta Primavera This simple, savory one-pot pasta dish transforms basic staples into a flavorful, garlicky tomato sauce that's comforting and ready in under 30 minutes.
Read the full answer
Qwen3.7 Flash332 words
🥔 Golden Crunch Smash-Roasted Potatoes A crowd-pleasing side dish that delivers maximum crispiness with minimal effort. By boiling then smashing the potatoes before roasting, you create a shatteringly crisp crust while keeping the inside fluffy. This recipe relies on just seven pantry staples for perfect flavor.
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Grok 4 Fast (free)849 words
1-Month Plan for Better Health and Longevity This beginner-friendly plan focuses on three foundational areas: diet, exercise, and sleep. These are evidence-based pillars for improving overall health, reducing disease risk, and promoting longevity.
Read the full answer
Qwen3.7 Flash763 words
🌱 30-Day Health & Longevity Starter Plan This plan focuses on the three most evidence-backed pillars of longevity: Nutrition, Movement, and Sleep/Recovery. It’s designed for beginners: low barrier to entry, zero equipment required, and built on consistency over intensity. You’ll progress gradually so habits stick.
Read the full answer
Our Verdict
Grok 4 Fast (free)
Grok 4 Fast (free)
Qwen3.7 Flash
Qwen3.7 Flash

Not enough votes to call it. On the specs, nothing separates them.

Too close to call
API pricing

Cost per 1M tokens

Grok 4 Fast (free)
Input
$0.000
Output
$0.000
Qwen3.7 Flash
Input
$0.03
Output
$0.13
Where to run it

1 host

Grok 4 Fast (free)

No hosts listed on OpenRouter.

Qwen3.7 Flash1 host
HostInOutContextUptime
Alibaba Cloud$0.03 in·$0.13 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Grok 4 Fast (free) is developed by xAI while Qwen3.7 Flash is developed by Qwen. Grok 4 Fast (free) has a 2.0M token context window vs Qwen3.7 Flash's 1.0M. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.

It depends on your use case. Grok 4 Fast (free) and Qwen3.7 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 2 challenges so you can judge which fits your needs best.

Grok 4 Fast (free) costs $0/M input tokens and Qwen3.7 Flash costs $0.03/M input tokens. Grok 4 Fast (free) is $0.03/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Grok 4 Fast (free) and Qwen3.7 Flash across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Keep exploring

More comparisons

Against the newest arrivals

Grok 4 Fast (free) logoDeepSeek V4 Flash Vision Exp logo
Grok 4 Fast (free) vs DeepSeek V4 Flash Vision ExpLanded Sep 2026
Qwen3.7 Flash logoSolar Pro 4 logo
Qwen3.7 Flash vs Solar Pro 4Landed Sep 2026
Grok 4 Fast (free) logoHy3 logo
Grok 4 Fast (free) vs Hy3Landed Sep 2026
Qwen3.7 Flash logoLing 3.0 Flash logo
Qwen3.7 Flash vs Ling 3.0 FlashLanded Sep 2026
Grok 4 Fast (free) logoMuse Glimmer 30B logo
Grok 4 Fast (free) vs Muse Glimmer 30BLanded Sep 2026
Qwen3.7 Flash logoGLM 5.3 logo
Qwen3.7 Flash vs GLM 5.3Landed Sep 2026
Grok 4 Fast (free) logoTernary Bonsai 2 27B logo
Grok 4 Fast (free) vs Ternary Bonsai 2 27BLanded Sep 2026
Qwen3.7 Flash logoGLM 5.3 Flash logo
Qwen3.7 Flash vs GLM 5.3 FlashLanded Sep 2026

Same lab, same size, long tail

Grok 4 Fast (free) logoGrok 4.7 logo
Grok 4 Fast (free) vs Grok 4.7Same lab
Grok 4 Fast (free) logoGrok 4.6 logo
Grok 4 Fast (free) vs Grok 4.6Version compare
Qwen3.7 Flash logoQwen3.8 Flash logo
Qwen3.7 Flash vs Qwen3.8 FlashSame lab
Qwen3.7 Flash logoQwen3.8 Max (0902) logo
Qwen3.7 Flash vs Qwen3.8 Max (0902)Same lab
Grok 4 Fast (free) logoGPT-5.6 Luna logo
Grok 4 Fast (free) vs GPT-5.6 LunaNew provider
Grok 4 Fast (free) logoGPT-5.6 Luna Pro logo
Grok 4 Fast (free) vs GPT-5.6 Luna ProNew provider
Grok 4 Fast (free) logoGPT-5.6 Sol logo
Grok 4 Fast (free) vs GPT-5.6 SolNew provider
Grok 4 Fast (free) logoGPT-5.6 Terra logo
Grok 4 Fast (free) vs GPT-5.6 TerraSame size

Model pages

Grok 4 Fast (free) logo
Grok 4 Fast (free)35 outputs, specs and price
Qwen3.7 Flash logo
Qwen3.7 Flash13 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed